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LC

Syntax

LC(F:POLY or VECTOR):C

where C is one of INT, RAT, or ZMOD.
    

Summary

the leading coefficient of a polynomial or vector

Description

This function returns the leading coefficient of F, as determined by the term-ordering of the ring to which F belongs.

example

    
Use R ::= Q[x,y];
LC(x+3x^2-5y^2);
3
-------------------------------
LC(Vector(0,5y+6x^2,y^2));
6
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See Also